Find factors of 12 and 21
Divide 3 from both numerator and denominator.
(12/21)/(3/3) = 4/7
4/7 is your ratio equivalent to 12/21
hope this helps
X can be 90 degrees, 270 degrees, 450 degrees, or in summary, 90 + 180x degrees.
63 = x(7)
9 = x
The answer is D) 9
Answer:
20 + d = 40
Step-by-step explanation:
It gives you 20 so you just say you want to add Donnie's age to equal 40. In math,
and/sum means add +
is means equals =
